using System;
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namespace IStation.Common
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{
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public class RoundHelper
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{
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public static int NpshRoundNumber_Large5 = 1;
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public static int NpshRoundNumber_small5 = 2;
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public static double GetDispValueFlow(double flow)
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{
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if (flow < 1.0)
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{
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return Math.Round(flow, 4);
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}
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if (flow < 5.0)
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{
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return Math.Round(flow, 3);
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}
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if (flow < 15.0)
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{
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return Math.Round(flow, 2);
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}
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return Math.Round(flow, 1);
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}
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public static double GetDispValueHead(double head)
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{
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if (head < 1.0)
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{
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return Math.Round(head, 4);
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}
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if (head < 5.0)
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{
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return Math.Round(head, 3);
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}
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if (head < 15.0)
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{
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return Math.Round(head, 2);
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}
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return Math.Round(head, 1);
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}
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public static double GetDispValuePress(double head)
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{
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if (head < 2.0)
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{
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return Math.Round(head, 4);
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}
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if (head < 5.0)
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{
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return Math.Round(head, 3);
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}
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if (head < 15.0)
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{
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return Math.Round(head, 2);
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}
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return Math.Round(head, 1);
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}
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public static double GetDispValuePower(double power)
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{
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if (power < 1.0)
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{
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return Math.Round(power, 4);
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}
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if (power < 5.0)
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{
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return Math.Round(power, 3);
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}
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if (power < 15.0)
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{
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return Math.Round(power, 2);
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}
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return Math.Round(power, 1);
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}
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public static double GetDispValueEta(double eta)
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{
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if (eta < 30.0)
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{
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return Math.Round(eta, 2);
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}
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return Math.Round(eta, 1);
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}
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public static double GetDispValueNPSH(double npsh)
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{
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if (npsh < 5.0)
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{
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return Math.Round(npsh, NpshRoundNumber_small5);
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}
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return Math.Round(npsh, NpshRoundNumber_Large5);
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}
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public static void Round_HEP(ref Eventech.Model.GroupPoint pt)
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{
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if (pt != null)
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{
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pt.H = GetDispValueHead(pt.H);
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pt.E = Math.Round(pt.E, 1);
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pt.P = GetDispValuePower(pt.P);
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pt.NPSH = GetDispValueNPSH(pt.NPSH);
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}
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}
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}
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}
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